<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>background-position使用场景2</title>
    <style>
        body{
            height: 1684px;
            background-image: url(../img/web_bg.png);
            background-repeat: no-repeat;
            background-position: center top;
        }
    </style>
</head>
<body>

</body>
</html>